Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
E	39.8	433.3312750000002	690.6227250000002	39.675	39.925	0.25	20250206_212050UTC_V00OS11.WAV
V	4.731248	2952.0855	3764.5855	4.512498	4.949998	0.4375	20250206_212050UTC_V00OS11.WAV
E	18.412496	230.20627499999983	731.2477249999997	18.174996	18.649996	0.4750000000000014	20250206_212050UTC_V00OS11.WAV